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PCF8563 数据表(PDF) 1 Page - NXP Semiconductors |
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PCF8563 数据表(HTML) 1 Page - NXP Semiconductors |
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1 / 30 page  PCF8563 Real-time clock/calendar 16 April 1999 Product specification 1. General description The PCF8563 is a CMOS real-time clock/calendar optimized for low power consumption. A programmable clock output, interrupt output and voltage-low detector are also provided. All address and data are transferred serially via a two-line bidirectional I2C-bus. Maximum bus speed is 400 kbits/s. The built-in word address register is incremented automatically after each written or read data byte. 2. Features s Provides year, month, day, weekday, hours, minutes and seconds based on 32.768 kHz quartz crystal s Century flag s Wide operating supply voltage range: 1.0 to 5.5 V s Low back-up current; typical 0.25 µA at V DD = 3.0 V and Tamb =25 °C s 400 kHz two-wire I2C-bus interface (at VDD = 1.8 to 5.5 V) s Programmable clock output for peripheral devices: 32.768 kHz, 1024 Hz, 32 Hz and 1 Hz s Alarm and timer functions s Voltage-low detector s Integrated oscillator capacitor s Internal power-on reset s I2C-bus slave address: read A3H; write A2H s Open drain interrupt pin. 3. Applications s Mobile telephones s Portable instruments s Fax machines s Battery powered products. |
类似零件编号 - PCF8563 |
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类似说明 - PCF8563 |
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